Abstract
The purpose of this note is to expose a short proof of Hardy’s inequality in the sequence case. The proof is straightforward and provides the optimal constant \(p'\).
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Lefèvre, P. A short direct proof of the discrete Hardy inequality. Arch. Math. 114, 195–198 (2020). https://doi.org/10.1007/s00013-019-01395-6
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DOI: https://doi.org/10.1007/s00013-019-01395-6